Simplify the given expression.
(–3x2 – 9x + 17) – (15x2 + 20x – 4)
question 1 options: –18x2 – 29x + 13 –18x2 – 29x + 21 –18x2 – 11x + 21 –18x2 – 24x + 13

What could explain what happened when the time was equal to 120 minutes

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

Seymour is twice as old as cassandra. if 16 is added to cassandra’s age and 16 is subtracted from seymour’s age, their ages become equal. what are their present ages? show !